2.3. Oil seed cake supplementation
The rice straw substrate ramified by the mushroom
mycelium was supplemented with cotton seed powder
at 3% of wet rice straw substrate (”75% water content)
and the mushroom beds were again reformed in polyethylene
bags as above. This was found optimum to enhance
the biomass yield (details in the patent filed
(Rajarathnam, Zakia Bano, & Shashirekha, 2001b))